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On-the-fly video quality switching for video distribution networks and methods therefor

Inactive Publication Date: 2011-07-21
SYST ARCHITECTURE INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The wireless interface presents a different challenge.
However, it has been found that for some bandwidth-intensive video applications, such as high definition (HD) video streaming or playback, the wireless medium may from time to time provide insufficient bandwidth to satisfactorily carry the amount of data associated with these bandwidth-intensive video applications.
For applications such as real time live video streaming, the pausing or cessation of the displayed video is clearly unacceptable.
Even for video playback applications, the temporary pausing or cessation of the video playback represents an inconvenience to users.

Method used

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  • On-the-fly video quality switching for video distribution networks and methods therefor
  • On-the-fly video quality switching for video distribution networks and methods therefor
  • On-the-fly video quality switching for video distribution networks and methods therefor

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Embodiment Construction

[0012]The present invention will now be described in detail with reference to a few embodiments thereof as illustrated in the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without some or all of these specific details. In other instances, well known process steps and / or structures have not been described in detail in order to not unnecessarily obscure the present invention.

[0013]Various embodiments are described herein below, including methods and techniques. It should be kept in mind that the invention might also cover articles of manufacture that includes a computer readable medium on which computer-readable instructions for carrying out embodiments of the inventive technique are stored. The computer readable medium may include, for example, semiconductor, magnetic,...

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Abstract

Methods and systems configured for on-the-fly detection of available wireless bandwidth and for on-the-fly adapting quality of videos to the available wireless bandwidth are disclosed. Techniques are also disclosed to facilitate the transition of video quality to minimize visual artifacts.

Description

BACKGROUND OF THE INVENTION[0001]The present invention relates to video distribution. More particularly, the present invention relates to techniques for gradually changing the video quality of a displayed video when the available wireless bandwidth for video distribution may fluctuate, over time.[0002]Video distribution refers to the distribution of video content from a video source to an A / V (audio / video) device (for example, a plasma display or a LCD display). In an example prior art video distribution network, a plurality of video sources may be providing video content to a set-top box. The video sources may represent, for example, DVD players, high-definition (HD) players such as Blu-ray players, or other digital and / or analog video sources including, for example, cable / satellite feeds. The set-top box then provides the video signal from one or more of these video sources to a television set or a display device using some physical conduits such as HDMI (High Definition Media Int...

Claims

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Application Information

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IPC IPC(8): H04W72/12H04N7/173
CPCH04N21/43637H04W28/20H04N21/4402
Inventor ROY, RABINDA K.RAYAPATI, VENKATAPATHI
Owner SYST ARCHITECTURE INFORMATION TECH
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